1. I wanted to create an automatic chapter creator for my videos 2. I did /grill-with-docs with the agent to figure out what I wanted 3. I said 'let's prototype the prompt passed to the agent' not really knowing what to expect 4. It built an entire TUI (in @EffectTS_) for me, pointing at my live data 5. I iterated on the system prompt until it was awesome 6. AFK agent one-shotted it